var app3 = new Vue({
	el: "#app-3",
	data: {
		info: "https://www.baidu.com",
		someattr: "href", // 这个变量必须小写
		message: "this is a test.",
		isActive: true,
		hasError: true,
		ok: false,
		loginType: true
	},
	computed: {
		reverseMessage: function() {
			return this.message.split('').reverse().join('')
		}
	}
});